January 7, 2013

Lasers + Graphite = Maglev 'Air Hockey'

Phillip Broadwith, Chemistry World


AP Photo

A graphite disk levitating over a bed of rare earth permanent magnets can be ‘pushed’ around or made to spin using a laser beam, Japanese scientists have shown. The phenomenon can also be used to convert sunlight into movement, offering a possible alternative way to harness solar energy.

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TAGGED: Lasers, Graphite, Maglev

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